1#include "models.h"
2
3template <bool iswa>
4llm_build_plamo3<iswa>::llm_build_plamo3(const llama_model & model, const llm_graph_params & params) :
5 llm_graph_context(params) {
6 const int64_t head_dim_q = hparams.n_embd_head_k;
7 const int64_t head_dim_v = hparams.n_embd_head_v;
8
9 ggml_tensor * cur;
10 ggml_tensor * inpL = build_inp_embd(model.tok_embd);
11 ggml_tensor * inp_pos = build_inp_pos();
12
13 using inp_attn_type = std::conditional_t<iswa, llm_graph_input_attn_kv_iswa, llm_graph_input_attn_kv>;
14 inp_attn_type * inp_attn = nullptr;
15
16 if constexpr (iswa) {
17 inp_attn = build_attn_inp_kv_iswa();
18 } else {
19 inp_attn = build_attn_inp_kv();
20 }
21
22 ggml_tensor * inp_out_ids = build_inp_out_ids();
23
24 for (int il = 0; il < n_layer; ++il) {
25 ggml_tensor * residual = inpL;
26
27 float freq_base_l = 0.0f;
28 float freq_scale_l = 0.0f;
29 if constexpr (iswa) {
30 freq_base_l = model.get_rope_freq_base (cparams, il);
31 freq_scale_l = model.get_rope_freq_scale(cparams, il);
32 } else {
33 freq_base_l = freq_base;
34 freq_scale_l = freq_scale;
35 }
36
37 cur = build_norm(inpL, model.layers[il].attn_norm, NULL, LLM_NORM_RMS, il);
38 cb(cur, "attn_norm", il);
39
40 ggml_tensor * qkv = build_lora_mm(model.layers[il].wqkv, cur);
41 cb(cur, "wqkv", il);
42
43 const int32_t n_head = hparams.n_head(il);
44 const int32_t n_head_kv = hparams.n_head_kv(il);
45
46 const int64_t q_offset = 0;
47 const int64_t k_offset = head_dim_q * n_head;
48 const int64_t v_offset = k_offset + head_dim_q * n_head_kv;
49
50 ggml_tensor * Qcur = ggml_view_3d(ctx0, qkv, head_dim_q, n_head, n_tokens,
51 head_dim_q * sizeof(float), qkv->nb[1], q_offset * ggml_element_size(qkv));
52 ggml_tensor * Kcur = ggml_view_3d(ctx0, qkv, head_dim_q, n_head_kv, n_tokens,
53 head_dim_q * sizeof(float), qkv->nb[1], k_offset * ggml_element_size(qkv));
54 ggml_tensor * Vcur = ggml_view_3d(ctx0, qkv, head_dim_v, n_head_kv, n_tokens,
55 head_dim_v * sizeof(float), qkv->nb[1], v_offset * ggml_element_size(qkv));
56
57 cb(Qcur, "Qcur", il);
58 cb(Kcur, "Kcur", il);
59 cb(Vcur, "Vcur", il);
60
61 Qcur = build_norm(Qcur, model.layers[il].attn_q_norm, NULL, LLM_NORM_RMS, il);
62 cb(Qcur, "attn_q_norm", il);
63 Kcur = build_norm(Kcur, model.layers[il].attn_k_norm, NULL, LLM_NORM_RMS, il);
64 cb(Kcur, "attn_k_norm", il);
65
66 Qcur = ggml_rope_ext(ctx0, Qcur, inp_pos, nullptr,
67 n_rot, rope_type, n_ctx_orig, freq_base_l, freq_scale_l,
68 ext_factor, attn_factor, beta_fast, beta_slow);
69 Kcur = ggml_rope_ext(ctx0, Kcur, inp_pos, nullptr,
70 n_rot, rope_type, n_ctx_orig, freq_base_l, freq_scale_l,
71 ext_factor, attn_factor, beta_fast, beta_slow);
72
73 const float attn_scale = 1.0f / sqrtf(float(head_dim_q));
74
75 cur = build_attn(inp_attn,
76 model.layers[il].wo, NULL,
77 Qcur, Kcur, Vcur, nullptr, nullptr, nullptr, attn_scale, il);
78 cb(cur, "attn_out", il);
79
80 if (il == n_layer - 1 && inp_out_ids) {
81 cur = ggml_get_rows(ctx0, cur, inp_out_ids);
82 residual = ggml_get_rows(ctx0, residual, inp_out_ids);
83 }
84
85 cur = build_norm(cur, model.layers[il].attn_post_norm, NULL, LLM_NORM_RMS, il);
86 cb(cur, "attn_post_norm", il);
87
88 cur = ggml_add(ctx0, cur, residual);
89 cb(cur, "attn_residual", il);
90
91 residual = cur;
92
93 cur = build_norm(cur, model.layers[il].ffn_norm, NULL, LLM_NORM_RMS, il);
94 cb(cur, "ffn_norm", il);
95
96 cur = build_ffn(cur,
97 model.layers[il].ffn_up, NULL, NULL,
98 NULL, NULL, NULL,
99 model.layers[il].ffn_down, NULL, NULL,
100 NULL,
101 LLM_FFN_SWIGLU, LLM_FFN_SEQ, il);
102 cb(cur, "ffn_out", il);
103
104 cur = build_norm(cur, model.layers[il].ffn_post_norm, NULL, LLM_NORM_RMS, il);
105 cb(cur, "ffn_post_norm", il);
106
107 cur = ggml_add(ctx0, cur, residual);
108 cb(cur, "ffn_residual", il);
109
110 cur = build_cvec(cur, il);
111 cb(cur, "l_out", il);
112 inpL = cur;
113 }
114
115 cur = inpL;
116
117 cur = build_norm(cur, model.output_norm, NULL, LLM_NORM_RMS, -1);
118 res->t_embd = cur;
119
120 cur = build_lora_mm(model.output, cur);
121 res->t_logits = cur;
122
123 ggml_build_forward_expand(gf, cur);
124}
125
126// Explicit template instantiations
127template struct llm_build_plamo3<false>;
128template struct llm_build_plamo3<true>;